| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] recent year | 80 |
|
| 2 | [verb] been [vb pp] [prep] recent year | 80 |
|
| 3 | has been [vb pp] [prep] recent year | 45 |
|
| 4 | [vb -s] been [vb pp] [prep] recent year | 45 |
|
| 5 | have been [vb pp] [prep] recent year | 32 |
|
| 6 | [vb base] been [vb pp] [prep] recent year | 32 |
|
| 7 | [adv] been [vb pp] [prep] recent year | 6 |
|
| 8 | been [adv] [vb pp] [prep] recent year | 19 |
|
| 9 | been [adv] [vb pp] [prep] recent year | 19 |
|
| 10 | been extensively [vb pp] [prep] recent year | 6 |
|
| 11 | been extensively [vb pp] [prep] recent year | 6 |
|
| 12 | been [vb pp] [adv] [prep] recent year | 15 |
|
| 13 | been [vb pp] [adv] [prep] recent year | 11 |
|
| 14 | been [vb pp] [prep] recent year [prep] | 35 |
|
| 15 | been [vb pp] [prep] recent year [prep] | 35 |
|
| 16 | been [vb pp] [prep] recent year by | 14 |
|
| 17 | been [vb pp] [prep] recent year by | 14 |
|
| 18 | been [vb pp] [prep] recent year [conj] | 8 |
|
| 19 | been [vb pp] [prep] recent year in | 7 |
|
| 20 | been [vb pp] [prep] recent year and | 7 |
|
| 21 | been [vb pp] [prep] recent year and | 7 |
|
| 22 | been [vb pp] [prep] recent year in | 7 |
|
| 23 | been [vb pp] [prep] recent year [coord] | 7 |
|
